Centrifuge



FIG. 1 is a front perspective view of a centrifuge according to thepresent invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken lines shown in the drawing are for illustrative purposes onlyand form no part of the claimed design.

The ornamental design for a centrifuge, as shown and described.